Single Number XOR
Given a non-empty list of integers where every element appears twice except one, return the single number using XOR.
Missing Number XOR
Given a list of n distinct numbers from 0 to n with one missing, use XOR to find and return the missing number.
Showing 2 challenges · Bit Manipulation
Bit Manipulation — Python coding challenges
What you will find here
This page lists bit manipulation challenges — real Python problems you solve in the browser IDE with instant test feedback. Each challenge includes a clear brief, starter code, and automated checks.
Challenges vs tutorials and quizzes
Challenges test what you can build under constraints. For guided teaching, use our Python tutorials. For quick checks, try quizzes or copy snippets from code samples.